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09-18-2013, 03:41 PM
(This post was last modified: 09-25-2013, 02:17 AM by akimikage.)
Which build is faster ? It's not that the emu is slow, in fact I can run it up to 15X faster than normal when playing games. I'm just asking this coz I tried dolphin emu for Wii and the 64bit builds are significantly faster.
BTW, can someone tell me the reason why dolphin emu is so demanding when it comes to CPU ? Besides the specs of the console it emulates I have no idea why one emu is faster than the other so I wanna learn why.
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64-Bit has access to more resources, especially RAM, so that's the one to go with.
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09-18-2013, 04:30 PM
(This post was last modified: 09-18-2013, 04:33 PM by TheDax.)
64-bit builds can be faster on systems with AMD GPUs(according to solarmystic, iirc), but compatibility can also differ slightly between the 32bit and 64bit versions, so keep both on hand.
Your 2nd question is off-topic, but I'll answer it anyway: Dolphin is so demanding because it's emulating a 483Mhz PowerPC CPU and a 162MHz ATI GPU when running Gamecube games, or a 733Mhz PowerPC CPU, and a 243mhz ATI GPU when running Wii games, not to mention the Wii/GC's DSP sound chip if you're using LLE sound. If you're wondering why PPSSPP might be faster than it, it's because PPSSPP isn't as demanding: by default PPSSPP is only emulating a 222mhz MIPS CPU with a 111mhz GPU, and PPSSPP doesn't need to emulate the actual Media Engine DSP.
If you also mean why are certain games in the same emulator more demanding than another, the answer can vary wildly: It depends on how many polygons are being pushed, what sort of AI is running on the CPU, how the game handles textures, lighting, and geometry, and multiple other things. Another factor that can contribute is if the game is coded poorly, it can be burning a bunch of extra CPU cycles that aren't necessary, which on an emulator can slow things down to a crawl(see Pangya: Fantasy Golf on PSP, I doubt it's that slow because of the graphics...).
If I'm wrong on any points, feel free to point it out, I'm not a guru.
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09-18-2013, 04:31 PM
(This post was last modified: 09-18-2013, 04:43 PM by akimikage.)
@Sonickyle
Have you tried comparing it ?
@daxtsu
I know it's off topic that's why I made a thread on the off topic section sorry
http://forums.ppsspp.org/showthread.php?tid=6418
I know about the specs of the console that it emulates so I'm asking about the other reasons. Please read the post I linked. Thanks
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PSP's MIPS architecture is 32-bit instructions, so there is little to be gained by using 64-bit.
Wii's PPC architecture, however, is 64-bit and there is lots to be gained by using 64-bit.
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09-19-2013, 05:47 AM
(This post was last modified: 09-20-2013, 11:51 AM by akimikage.)
Alright thanks. I'm getting the gist of it now.
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wheres ppsspp for netbook..?
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What? Don't hijack threads. Use the 32-bit version if you're not on a 64-bit OS.
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First giving something in return, to obtain something of equal value must be lost that is gaming world's first law of equivalent exchange. In those days,
